hciconfig No Bluetooth adapter found.
jq-bt: loading firmware jq_bt_fw.bin failed (err -2) jq-bt: device hci0: initialization timeout The firmware file was missing. Jasmine found it on the vendor’s FTP site under /lib/firmware/ but incorrectly named jq-bt-fw.bin instead of jq_bt_fw.bin . Alex symlinked it: jq-bt bluetooth driver
dmesg showed:
sudo ln -s /lib/firmware/jq-bt-fw.bin /lib/firmware/jq_bt_fw.bin sudo rmmod jq-bt sudo modprobe jq-bt Success! hciconfig now showed hci0: Type: Primary Bus: USB . The demo worked. Leo asked Alex to write a one-page internal guide: "jq-bt Bluetooth Driver Troubleshooting" — which became the team’s go-to reference. hciconfig No Bluetooth adapter found